Improvement in wind-wheels



i titel weeeaeeww R. VAITE, OF BLUE EARTH CITY, MINNESOTA.

Lette/rs Patent No; 84,237, dated November 17, 1868.

The Schedule referredpto in these Letters Patent and making part of thesame v To all whom it ma/y concern Be it-known that I, R. WAITE, of BlueEarth City, in the county of Faribault, and State of Minnesota, haveinvented a new and useful Improvement in Wind- Wheels; and I do herebydeclare that the following is a full, clear, and exact descriptionthereof', which will enable others skilled in the art to make and 'usethe same, reference being had to the accompanying drawings, forming partof this specification, in which- Figure l' represents a longitudinalsectional elevation of my improvedwheel, and

Figure 2 representsa front elevation of the same.

Similar letters of 'reference indicate like parts.

Y Myinvention relates toimprovements in wind-wheels, whereby it isdesigned to provide a more simple and effective apparatus for utilizingthe power of wind than any now in use.

It consists in a horizontal wheel having a spiraltapered vane of varyingtwist, enclosed in a correspondingly-tapered case, provided withbell-mouths at each end, and with a means for regulating the passage ofair at the receiving-end, or shutting it on" altogether, as will be morefully described on reference to the accompanying drawing, wherein'- Arepresent a circular casing, larger at one end than the other, andprovided with. a larger bell-mouth, B, at the receiving-end, and asmaller one, C, at the other end. The purpose of the former isto'compress the air as it enters the tube, and of the latter, to createa partial vacuum at the discharging-end.

The mouth B has a square termination, wherein a regulator, D, is.arranged to govern the quantity of air to be admitted.

E represents the wl1eel,whicl1 consists of a spiral vane, F, secured tothe shaft G, whichis supported in suitable bearings at each end of thecasing, and provided with a gear-wheel 'or other suitable means fortransmitting motion through the vertical axis upon which the apparatusis to be supported.

The pitch of the spiral vane is designed to'be made' variable,decreasing toward the small end, as the diameter of the vane decreases,whereby the wind is further condensed as it4 passes through. The vanemay be made continuous or in sections, and in any suitable manner.

The regulator may be connected to any automatic apparatus whereby it maybe actuated.

Among the advantages sought to be gained by this arrangement is anincrease of velocity and power, consequent upon the condensation of theair, the increased draught due to the vacuum caused at the rear by thebell-mouth C, and the freedom of the vane from the reaction of the airwhich occurs when not protected by a case.

Having thus described my invention,

I claim as new, and desire to' secure by Letters Patent- The wind-wheel,constructed as described, of the case A, having the flanges BO, thedraught-regulator D, horizontal shaft G, and the spiral wind-wheel E,having a variable diameter and pitch, all arranged. and operating asdescribed for the purpose speciied.

,y R. VVAITE.

Witnesses URI HILL, H. RnyMoNnf y

